SolarSpace SS8-72HD-555M
SolarSpace SS8-72HD-555M
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SolarSpace SS8-72HD-555M

SolarSpace SS8-72HD-555M

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Specifications

Length 555 m

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Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

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Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

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All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

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Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

SolarSpace SS8-72HD-555M 555W Mono PERC Monofacial Solar Panel

Model SS8-72HD-555M | Mono PERC | 144 Half-Cut Cells | Monofacial | 1500V System Voltage

555W
Max Power Output
21.48%
Module Efficiency
144
N-Type TOPCon

Product Overview

The SolarSpace SS8-72HD-555M 555W mono PERC solar panel has been engineered for high output and dependable performance. This monocrystalline module uses 144 M10 half-cut cells to deliver up to 555 watts of power with module efficiency up to 21.48%. It suits large residential arrays, commercial rooftops, carports, and utility projects where every square foot must produce more energy. Advanced multi-busbar cell design and high-density encapsulation help reduce resistive losses and boost yield in real conditions. Low degradation, robust construction, and a 1500V system rating support modern, high‑voltage string designs. Buyers receive bankable performance backed by a strong warranty package from SolarSpace, a global manufacturer with significant cell and module capacity.

Key Benefits

High power density for tighter roofs: Each module delivers up to 555W, so fewer panels are needed for target system sizes. This allows powerful arrays on space constrained commercial roofs or ground mount projects.

Proven mono PERC M10 cell technology: Efficient monocrystalline PERC cells with multi‑busbar design capture more light and reduce internal resistance. This supports strong performance under varied irradiance conditions.

Reliable output across harsh climates: The operating temperature range from -40°C to 85°C supports installations in hot deserts and cold winters. Stable temperature coefficients help maintain energy yield during real‑world heat.

Robust mechanical design for long life: The anodized aluminum frame and tempered glass provide high mechanical strength. Modules handle significant front and rear loads when installed to manufacturer guidelines.

Bankable warranty and low degradation: A 12‑year product warranty covers materials and workmanship. The power warranty extends up to 30 years, with low annual degradation protecting long‑term production.

How It Works

Sunlight hits the monocrystalline PERC cells inside the SolarSpace SS8-72HD-555M module and is converted into direct current electricity. Half‑cut M10 cells are connected in an optimized circuit that limits resistive losses and improves shade tolerance. Under standard test conditions, the module delivers a maximum power of 555W at around 42.15 volts and 13.17 amps. In real operating conditions, the module continues generating power at lower irradiance, with defined NOCT performance values. The 1500V system rating allows long strings that reduce balance‑of‑system costs. Generated DC power is routed through the IP68 junction box and cables to a string inverter or optimizer, where it is converted into usable AC power for on‑site loads or export to the grid.

High‑efficiency mono PERC cell operation: Monocrystalline PERC cells absorb sunlight on the front surface and reflect unabsorbed light back through the cell. This additional light pass increases carrier generation and supports higher conversion efficiency. The result is more power from the same module footprint compared with older cell designs.

Half‑cut and multi‑busbar circuit design: Each standard cell is split into two halves to reduce current through each path, which lowers resistive losses. Multi‑busbar technology spreads current pickup across many thin conductors, decreasing shading from metal lines. Together, these features improve performance under partial shading and enhance module reliability.

Thermal behavior and real‑world output: Temperature coefficients describe how voltage, current, and power shift as cells heat up during operation. The SS8-72HD-555M has a Pmax temperature coefficient of about -0.334% per °C, which helps limit power loss on hot days. Defined NOCT values allow realistic yield estimates for different climates and mounting conditions.

Technical Specifications

Brand SolarSpace Technology Co., Ltd
Model Number SS8-72HD-555M (SS8-72HS 540‑560M series)
Cell Technology and Type Monocrystalline Mono PERC (M10)
Number of Cells 144 half‑cut cells (6 x 24)
Module Type Monofacial module, mono PERC technology
Technology Family SS8-72HS 540‑560M mono‑facial series
Nominal Power Range (Series) 540 Wp to 560 Wp
Maximum Power (Pmax) STC 555 Wp (STC)
Module Efficiency (STC) Up to 21.48% for 555W module (up to 21.68% in series)
Power Tolerance 0 ~ +3 %
Voltage at Maximum Power (Vmpp) STC 42.15 V (555W module)
Current at Maximum Power (Impp) STC 13.17 A (555W module)
Open Circuit Voltage (Voc) STC 50.03 V (555W module)
Short Circuit Current (Isc) STC 14.07 A (555W module)
Maximum Power at NOCT 420 Wp for 555W module
Voltage at Maximum Power (Vmpp) NOCT 39.67 V (NOCT conditions)
Current at Maximum Power (Impp) NOCT 10.59 A (NOCT conditions)
Open Circuit Voltage (Voc) NOCT 46.84 V (NOCT conditions)
Short Circuit Current (Isc) NOCT 11.22 A (NOCT conditions)
Nominal Operating Cell Temperature (NOCT) 45 ± 2 °C (800 W/m², 20 °C ambient, 1 m/s wind)
Operating Temperature Range -40 °C to +85 °C
Temperature Coefficient of Pmax -0.334 % / °C
Temperature Coefficient of Voc -0.265 % / °C
Temperature Coefficient of Isc +0.045 % / °C
Maximum System Voltage 1500 V DC
Maximum Series Fuse Rating 25 A
Mechanical Dimensions (H × W × D) 2278 × 1134 × 30 mm
Weight 31.2 kg (datasheet mechanical weight 27.5 kg)
Front Glass Type Single tempered glass with anti‑reflection coating
Front Glass Thickness 2.0 mm to 3.2 mm coated tempered glass
Frame Material and Color Silver anodized aluminum alloy frame
Junction Box Rating and Diodes IP68 rated junction box with 3 bypass diodes
Junction Box Protection Class IP68 environmental protection class
Output Cable Specification 4 mm² cable, typical length 300 mm or customized
Connector Type MC4‑EVO2 or MC4 compatible connectors
Mechanical Load Capacity (Front) 5400 Pa front mechanical load (when properly mounted)
Mechanical Load Capacity (Rear) 2400 Pa rear mechanical load
Country of Origin China

Certifications & Compliance

Certifications: IEC 61215, IEC 61730, IEC 61701 salt mist corrosion test, IEC 62716 ammonia corrosion test, IEC 60068 dust and sand test, ISO 9001:2015 quality management, ISO 14001:2015 environmental management, ISO 45001:2018 occupational health and safety management.
Inverter Compatibility: Designed for 1500V DC systems and compatible with most modern string and central inverters that support high voltage strings, when configured within manufacturer design limits.
Environmental: Tested for resistance to salt mist, ammonia, dust, and sand, making the module suitable for coastal, agricultural, and desert installations when properly installed.
Warranty: 12‑year product warranty for materials and workmanship. Linear power warranty up to 30 years, with first year degradation typically within 2% and subsequent annual degradation around 0.5%, ensuring approximately 84.95% rated power by year 30.

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

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Customer Success Stories

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

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Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

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